INEOS CALABRIAN CORPORATION

NPDES permit TX0062448 · Minor NON-POTW · effective, expires 2028-05-12 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

EPA's record, 2025-09-01 to 2026-08-31

1values over a limit
0required values missing, on 0 form(s)
0of 11 forms filed late

Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (1).

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among TX permits in EPA's filings — check your permit).

Limits in force (25)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MO MIN >= 5 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY AV <= 50 mg/L all year
001Oxygen demand, chem. [high level] [COD]DAILY MX <= 150 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY AV <= 15 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Oil & GreaseDAILY AV <= 10 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Nitrogen, ammonia total [as N]DAILY AV <= 3 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 10 mg/L all year
001Chromium, total [as Cr]DAILY AV <= .315 mg/L all year
001Chromium, total [as Cr]DAILY MX <= .999 mg/L all year
001Copper, total [as Cu]DAILY AV <= .081 mg/L all year
001Copper, total [as Cu]DAILY MX <= .171 mg/L all year
001Zinc, total [as Zn]DAILY AV <= .279 mg/L all year
001Zinc, total [as Zn]DAILY MX <= .591 mg/L all year
001Aluminum, total [as Al]DAILY AV <= .834 mg/L all year
001Aluminum, total [as Al]DAILY MX <= 1.765 mg/L all year
001Selenium, total [as Se]DAILY AV <= .0057 mg/L all year
001Selenium, total [as Se]DAILY MX <= .0119 mg/L all year
001PentachlorophenolDAILY AV <= .0013 mg/L all year
001PentachlorophenolDAILY MX <= .0028 mg/L all year
001Flow, in conduit or thru treatment plantDAILY AV <= .25 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX <= .65 MGD all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states